Here is the full list of all 13 Mad Experiments 2: Escape Room achievements.
Finish the room without using extra clues
Successfully escape from the Greenhouse
Successfully escape from the Library
Successfully escape from Professor's Cheshire office
Finish the room in less than 90 seconds
Finish the room in less than 180 seconds
Make sure the room is and remains silent.
Finish the room in less than 15 minutes